the government of nigeria is failing in its part of our social contract. samuel burke, cnn, new york. >> find out more about how you can join the campaign at cnn.com/impactourworld. >>> a deadly virus from the middle east has spread to the u.s. hartland, called mers. it stands for middle east respiratory syndrome. the center for disease control says an indiana hospital is treating the first american with mers. cheap medical correspondent dr. sanjay gupta tracks the patient's time line. >> he is a health care worker. he was working in saudi arabia in that capacity, and he flew back april 24th, went from saudi arabia to london, then to chicago by plane, then took a bus to indiana. it was three days later it sounds like he started to get sick, started to have fever and difficulty with his breathing. sounds like he is in stable condition, not on a breathing machine, just getting oxygen. most importantly he is in isolation. >> so far, 262 cases of mers have been confirmed in 12 countries. >>> the woman who brought down donald sterling and didn't stay out of the